EBK OM
6th Edition
ISBN: 9781305888210
Author: Collier
Publisher: YUZU
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Question
Chapter 8, Problem 1CQD
Summary Introduction
Interpretation:
Assembly line efficiency for each line balance solution.
Concept Introduction:
Assembly line is a part of production process which is used for efficiently using the idle time for production of goods to meet uncertain demands. .
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Stanford Rosenberg Computing wants to establish an assembly line for producing a new product, the Personal Digital Assistant (PDA). The tasks, task times, and immediate predecessors for the tasks are as follows:
Task
Time
(sec)
Immediate Predecessor
A
11
−
B
15
A
C
7
A
D
4
B, C
E
20
D
Rosenberg's goal is to produce
175
PDAs per hour.
a) The cycle time for the production of a PDA =
nothing
seconds (round your response to two decimal places).
B) what's the minimum number of workstations in the assembly line?
C) Can the minimum actually be reached when workstations are assigned?
Stanford Rosenberg Computing wants to establish an assembly line for producing a new product, the Personal Digital Assistant (PDA). The tasks, task times, and immediate predecessors for the tasks are as follows:
Task
Time
(sec)
Immediate Predecessor
A
11
−
B
15
A
C
7
A
D
4
B, C
E
20
D
Rosenberg's goal is to produce
170
PDAs per hour.
a) The cycle time for the production of a PDA =
enter your response here
seconds (round your response to two decimal places).
b) The theoretical minimum number of workstations that Rosenberg can achieve in this assembly
line=enter your response here
(round your response up to the next whole number).
c) For one to assign the tasks to the actual workstations and be able to use the "theoretical minimum" number, the activity assignment should be:
Workstation #
Tasks Assigned to…
Marilyn Hart, operations manager at Hart Electronics,faces assembly-line balancing problems. She has been told thatthe firm needs to complete I ,400 electronic relays per day. Thereare 420 minutes of productive time in each working day (which isequivalent to 25,200 seconds). Group the assembly-line activitiesin the following table into appropriate workstations and calculatethe efficiency of the balance.
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